# way 01
str_01 = "for"
str_02 = "{} in at is keras".format(str_01)
str_03 = "{} ins at is keras {}".format(str_01, "jhjhf")
print(str_02)
print(str_03)
# way 02
str_04 = "{1} ins at is keras {0}".format(str_01, "jhjhf")
print(str_04)
# way 03
str_05 = "{b} ins at is keras {a}".format(a=str_01, b="jhjhf")
print(str_05)
# way 04
str_06 = "{0[0]} ins at is keras {0[1]}".format([str_01, "jhjhf"])
print(str_06)
dic_01 = {"a": "for", "b": "jdklsjfkas"}
str_07 = "{a} ins at is keras {b}".format(**dic_01)
print(str_07)
# way 05
str_08 = f"{dic_01['a']} ins at is keras {dic_01['b']}"
print(str_08)
